CN103703654A - Merging unit and method of operating a merging unit - Google Patents
Merging unit and method of operating a merging unit Download PDFInfo
- Publication number
- CN103703654A CN103703654A CN201280025041.5A CN201280025041A CN103703654A CN 103703654 A CN103703654 A CN 103703654A CN 201280025041 A CN201280025041 A CN 201280025041A CN 103703654 A CN103703654 A CN 103703654A
- Authority
- CN
- China
- Prior art keywords
- merge cells
- information
- iec61850
- input data
- mapped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0644—External master-clock
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention relates to a merging unit (100), particularly for substation automation, comprising at least one input interface (110a, 110b) for receiving input data (ID) characterizing at least one voltage and/or current related to a component of a power system (200), wherein said merging unit (100) comprises timing synchronization means (156) which comprise an interface to an external synchronization network operating according to one of the Inter Range Instrumentation Group, IRIG, -B standard, the 1PPS standard and the Institute of Electrical and the Electronics Engineers, IEEE, 1588 standard, wherein the merging unit (100) is configured to implement logical nodes (TCTR, TVTR) according to the International Electrotechnical Commission, IEC, 61850-7 standard, wherein the merging unit (100) is configured to map information to and/or from at least one of the logical nodes (TCTR, TVTR); to the IEC 61850-9-2 sampled measured values, SMV, communication protocol.
Description
Technical field
The present invention relates to a kind of merge cells, specifically for the automation of transformation substations.
The invention still further relates to a kind of method that operates merge cells.
Background technology
Merge cells for example for electric substation automation system for collecting sensor data and be forwarded to the other equipment such as intelligent electronic device (IED), described other equipment is for protection and/or control object and be provided at the high level of described electric substation automation system.
Target of the present invention is to provide a kind of improved method of improved merge cells and operation merge cells; it provides the operating flexibility of raising and the complexity of the high-level architecture of electric substation automation system can be reduced, and is provided for basis that the better power supply quality of power distribution network monitors for grid stability and for wide area supervision, protection and control program (WAMPAC).
Summary of the invention
About above-mentioned merge cells, this target realizes by described merge cells, described merge cells comprises at least one input interface, for receiving, characterize the voltage relevant to the assembly of electric power system and/or the input data of current measurement, wherein said merge cells also comprises control unit, and described control unit is configured to depend on that described input data determine power supply quality information and/or phasor measurement information.
Determining of power supply quality information in novelty merge cells and/or phasor measurement information advantageously makes it possible to provide the electric substation automation system framework of simplification and the relevant required information of grid stability of function realizing on Yu transformer station and/or network control center's layer that improves is provided.
According to preferred embodiment, described merge cells is configured to the described input data transformation receiving to become predetermined output format, thereby obtains the input data after conversion, and the input data after described conversion are outputed to other equipment.The input data of therefore, collecting by merge cells can be processed and can be forwarded to the external equipment such as the IED of electric substation automation system with the data format of expectation by local in merge cells.Alternatively or additionally, by being also transformed to tentation data form according to the definite power supply quality information of the control unit of the merge cells of embodiment and/or phasor measurement information, it is for example convenient to assess described power supply quality information and/or described phasor measurement information by miscellaneous equipment.
According to another preferred embodiment, described merge cells is configured to described power supply quality information and/or described phasor measurement information to output to other equipment.
According to another preferred embodiment, described merge cells is configured to timestamp information to distribute to the input data after described power supply quality information and/or described phasor measurement information and/or described input data and/or described conversion, and these data that make it possible to being collected by merge cells are evaluated especially accurately.Especially; by supplying with the other equipment of corresponding data according to the merge cells of embodiment, such as for example protecting and/or controlling IED and can utilize correct time reference to process corresponding data; if described data are sent to protection and/or are controlled IED by each merge cells distributing geographically, this is particularly advantageous.
According to another preferred embodiment, described merge cells is configured to realize at least one logical node according to International Electrotechnical Commission, IEC, 61850-7 standard, wherein, described logical node preferably includes QFVR, QITR, QIUB, QVTR, QVUB, TCTR, TVTR, MMXU, comprises PMU(phasor measurement) MMXU of data, at least one in GGIO.Therefore, according to the merge cells of embodiment, can advantageously utilize as by the specified basic data model of IEC61850 standard.
According to another preferred embodiment, described merge cells is configured to go to and/or to be mapped at least one in following communication protocol: IEC61850-8-1(to the mapping of MMS from the information of described at least one logical node), IEC61850-8-1 is towards the transformer substation case (GOOSE) of general object, IEC61850-9-2 sampled measurement (SMV), IEC61850-90-5(synchronized phasor), thereby obtain according to the logical node of realizing in the merge cells of embodiment (or a plurality of) and such as for example protecting and/or control the especially effectively communication process between the external equipment of IED.
According to another preferred embodiment, described merge cells is configured to according to the communication of IEC61850-8-1, to be mapped to the first physical communication port of preferred special use, and will according to the communication of IEC61850-9-2, be mapped to the second physical communication port of preferred special use.Alternatively, also can be adopted as the first physical communication port of supporting IEC61850-8-1 signal post to propose to communicate by letter for IEC61850-9-2.In addition, alternatively or additionally, according to the communication of IEC61850-90-5 or IEEE C37.118 standard also can be mapped to described physical communication port or the other port that provides for communication in any one.
The method of the operation merge cells by according to Claim 8 provides the another solution for target of the present invention.Favourable embodiment is in addition the theme of dependent claims.
Accompanying drawing explanation
In detailed description with reference to accompanying drawing, provide below other aspect of the present invention, feature and embodiment, in the accompanying drawings:
Fig. 1 illustrates the schematic block diagram of the embodiment of novelty merge cells,
Fig. 2 illustrates the detailed functional block diagram of the embodiment of novelty merge cells, and
Fig. 3 illustrates the schematic block diagram of the 3rd embodiment of novelty merge cells,
Fig. 4 illustrates the schematic block diagram of the 4th embodiment of novelty merge cells, and
Fig. 5 diagram comprises the electric power system of novelty merge cells and the schematic diagram of the communication plan in electric power system.
Embodiment
Fig. 1 illustrates the schematic block diagram of the first embodiment of novelty merge cells 100, described novelty merge cells 100 belongs to electric power system 200 for processing the input data ID such as sensing data, and described input data ID characterizes voltage and/or the current measurement relevant to the assembly of described electric power system 200.
Described electric power system 200 exemplarily comprises the switching device of similar isolator (disconnector) 202 and circuit-breaker 204.In addition, electric power system 200 comprises one or more transformers 206 and one or more current transformer 208, in known mode itself by the voltage of electric power system 200 and/or current transformation to the value scope of for example dwindling so that the measurement of these parameters and analysis.
For example, transformer 206 can comprise traditional transformer and/or unconventional transformer.Similarly, current transformer 208 can comprise traditional current transformer and/or unconventional current transformer, such as the noncontact current transformer (NCCT) of for example Rogowski coil or fiber type.
For the output signal of receiving transformer 206 and current transformer 208, this is also called as " input data " ID for merge cells 100, and merge cells 100 comprises corresponding input interface.
According to the present embodiment, merge cells 100 comprises the first input interface 110a, and the output signal that described the first input interface 110a is configured to receiving transformer 206 is usingd as input data ID.Merge cells 100 also comprises the second input interface 110b, and the output signal that described the second input interface 110b is configured to received current instrument transformer 208 is usingd as input data ID.
The concrete configuration that depends on transformer 206 summation current transformers 208, the first input interface 110a, the second input interface 110b comprise the input of configuration respectively.For example, if transformer 206 be the electric power system 200 of depending on that transformer 206 is connected to assembly 204 primary voltage and transmit 0V for example to the traditional type of the output voltage within the scope of 100V, the first input interface 110a can process the corresponding input data in particular voltage range.This is equally applicable to be connected to the concrete configuration of the second input interface 110b of current transformer.That is,, for the current transformer of operation with traditional, the second input interface 110b can for example be configured to receive 0A to the current signal within the scope of 5A.
Alternatively, merge cells 100 also can comprise the input interface 110c that at least one is other, and described at least one other input interface 110c is configured to such as for example receive the input data of binary form from other assembly that binary system output data are provided of position indicating device or electric power system 200.
In order to process the input data ID receiving, merge cells 100 comprises control unit 120, and described control unit 120 can for example comprise microprocessor and/or digital signal processor (DSP) or can carry out the calculation element of any other type of needed treatment step.
After having processed input data ID, merge cells 100 can be by the input data retransmission after processing to external equipment.According to the embodiment of Fig. 1, merge cells 100 comprises data-interface 130, and described data-interface 300 is for example used for setting up with network 300 that data are connected and/or for example via described network 300, set up data with other equipment 400 is connected.
For example; data-interface 130 can comprise ethernet type interface; described ethernet type interface can provide the data between merge cells 100 and other equipment based on Ethernet to connect; as option; it can for example use IEC61850-9-2 and IEC61850-8-1 agreement, the described equipment based on Ethernet such as protection relay, interval calculation machine (bay computer), the substation level device as gateway, the transformer substation computer that is identified as electric substation automation system (SAS) or man-machine interface (HMI).
Usually, according to preferred embodiment, merge cells 100 is configured to carry out the measurement to the input data ID being provided by instrument transformer (instrument transformer) 206,208, is preferably real-time measurement, and described measurement is forwarded to other external module 400.As explained in detail below, the measurement relevant to input data ID inputted data to the conversion of numeric field except being included in the part receiving in analog domain other.
At present, be used to control as the exemplarily function distribution of the electric substation automation system of illustrated electric power system 200 based on being structurally mainly divided into 3 layers in Fig. 1: process layer (process level), wall (bay level) and substation level (substation level).In the present context; merge cells 100 can typically represent equipment process layer or substation level; and equipment 400 can be illustrated in wall place provides, the intelligent electronic device in the meaning of IEC61850 standard (IED), for example protection or control IED.
According to the present invention, except carrying out, to the described measurement of the input data ID being provided by instrument transformer 206,208 (being preferably real-time measurement) and by described measurement, be forwarded to the other external module such as bay level IED 400, merge cells 100 or its control unit 120 are also configured to respectively depend on that the described input data ID or the measurement of correlation that via input interface 110a, 110b, obtain determine power supply quality information and/or phasor measurement information.According to embodiment, described phasor measurement information can be for example by adopting according to IEC61850-90-5(synchronized phasor) or the communication of IEEE C37.118 standard, for example via data-interface 130, be sent to other assembly.Other assembly like this can for example represent phasor data concentrator (PDC).
Therefore, except voltage and/or current measurement are forwarded to external equipment 400, novelty merge cells 100 advantageously makes it possible to determine in this locality power supply quality and/or the phasor measurement associated with input data ID, voltage and/or the electric current of the electric power system 200 that described input data ID reflection is associated with merge cells 100.The power supply quality information and/or the phasor measurement information that obtain like this also can be forwarded to other equipment 400.According to preferred embodiment, described phasor measurement comprises according to the vector three-phase of the voltage and current of the basic network frequency of the electric power system associated with novelty merge cells 100 200 and representing.
By the integrated function that is intended to the above-mentioned explanation of definite power supply quality and/or phasor measurement, can provide and particularly on wall, comprise the still less electric substation automation system of IED.Except saving cost by reducing the number of elements of electric substation automation system, also can obtain the higher accuracy about power supply quality information and/or phasor measurement information, because in same one-level, be that merge cells 100 places determine power supply quality information and/or phasor measurement information, in described merge cells 100, obtain for deriving the basic input data ID of described power supply quality information and/or described phasor measurement information.
In addition,, for the electric substation automation system that is equipped with novelty merge cells 100, need file still less, because provide the function of higher degree integrated.
Further, the power supply quality information obtaining according to the present invention and/or the forwarding of phasor measurement information can be seamlessly combined with available data switching technology, described available data switching technology is such as for example according to IEC61850 standard, specifically, according at least one in IEC61850-90-5 or IEEE C37.118 standard.
Fig. 2 illustrates the detailed functional block diagram of the embodiment of novelty merge cells 100 of the present invention.
As illustrated in Figure 2, merge cells 100 comprises input regulating device 142, transformer 206(Fig. 1 that described input regulating device 142 receives for being adjusted in the first input interface 110a place of merge cells 100) output signal.
Similarly, merge cells 100 comprises input regulating device 144, current transformer 208(Fig. 1 that described input regulating device 144 receives for being adjusted in the second input interface 110b place of merge cells 100) output signal.
Depend on the concrete measurement scheme that merge cells 100 adopts, the signal that input regulating device 142,144 can be configured to standardized analog signal to offer is subsequently processed level 146, and described signal is processed grade 146 step application that are configured to filtering and sampling to keep in supplied with signal.The internal signal paths of processing level alternatively, 146 or component can be in known mode own by multiplexed.
Alternatively, also can in merge cells 100, provide output trunk interface device 154, to external equipment can be controlled as auxiliary relay, circuit-breaker, isolator or any miscellaneous equipment.
For example, in order to enable to input the time synchronized of data ID or each measured value (, as the digital sample obtaining by ADC148), provide time synchronism apparatus 156.Described time synchronism apparatus can provide integrated clock and/or corresponding counter module (not shown).In addition, time synchronism apparatus 156 advantageously comprises the interface of external sync network, and described external sync network can be for example according to target range instrument group IRIG-B and/or 1PPS standard and/or Institute of Electrical and Electronics Engineers IEEE1588 operation.
Sampling and conversion and control 158 are supplied to the corresponding timing information from time synchronism apparatus 156, thereby can utilize, precise time benchmark carrys out filtering in executive module 146,148, multiplexed, sampling keeps and the step of ADC.
According to the present invention, digital signal processing device 150 is configured to depend on that the described input data ID (Fig. 1) obtaining from each input interface 110a, 110b determines power supply quality information PQ and/or definite phasor measurement information PHM.Power supply quality information PQ and/or phasor measurement information PHM can be advantageously associated with the timing information of being supplied with by time synchronism apparatus 156.Therefore, precise time stamp can be assigned to power supply quality information PQ and/or phasor measurement information PHM so that under the environment of electric power system 200 its accurate subsequent treatment.
In addition, digital signal processing device 150 is configured to depend on that the described input data ID (Fig. 1) obtaining from each input interface 110a, 110b determines sampled measurement SMV.Sampled measurement SMV also can be advantageously associated with the timing information of being supplied with by time synchronism apparatus 156.
Alternatively, digital signal processing device 150 also can be configured to also preferably to depend at least partly that the described input data ID (Fig. 1) obtaining from each input interface 110a, 110b determines other real-time operation measurement RTO.RTO is measured in other real-time operation also can be advantageously associated with the timing information of time synchronism apparatus 156 supplies.
As already mentioned previously, the sampling of input data ID (Fig. 1) is by sampling and conversion and control 158 is controlled, and described sampling and conversion and control 158 are equally also being controlled A/D converter 148.Because sampled measurement SMV---and power supply quality information PQ and/or phasor measurement information PHM---needs precise time synchronous, so time synchronism apparatus 156 offers each synchronizing signal the timestamp of sampling and conversion and control 158 and PQ, PHM, SMV, RTO, and also offers alternatively real time data information 162.
Digital signal processing device 150 preferably converts all signals to the binary system I/O of related pattern and management merge cells 100, reference block 152,154.
For the equipment 400(Fig. 1 with other) exchange, exchanged all data to be mapped to predetermined relevant communication protocol by the mapping device 160 of communicating by letter, below with reference to Fig. 3, explain its variant.
In addition, can provide and use such as for example FTP(file transfer protocol (FTP)) and HTTP(HTML (Hypertext Markup Language)) configuration, setting and the test block 164 of well-known protocol, for being combined the long-range and local IP access of unit 100.The implementation of power supply 166 depends on application.
According to preferred embodiment, one or more functional blocks of the merge cells 100 of explaining above with reference to Fig. 2 can advantageously be integrated into control unit 120(Fig. 1).
Fig. 3 illustrates according to the internal structure of the novelty merge cells 100 of embodiment from the communication viewpoint based on IEC61850.Follow the IEC61850 hierarchical concept of traffic model, the physical equipment under the environment of IEC61850 (PD) is equivalent to merge cells 100.PD100 comprises one or more logical device LD, and with reference to dashed rectangle, it is for by the logical node LN(that is similar to logical node LNTCTR, TVTR etc. for transformer with common ownership for example, TCTR, TVTR ...) divide into groups.Substantially, according to preferred embodiment, merge cells 100 can provide following LN:TCTR, TVTR, MMXU, comprise PMU(phasor measurement) MMXU, QFVR, QITR, QIUB, QVTR, QVUB, QVIR, the GGIO of data.
Optional LN in addition depends on application: XCBR, XSWI, RDRE, CSWI, RSYN ..., and also can be realized by novelty merge cells 100.Yet their use need to arrange additional application functional block (AFB).
According to certain preferred embodiment, the information that is derived from and/or is supplied to LN is mapped in following agreement according to information type: state information, order, setting, and the measurement of deriving is mapped to the MMS report based on IEC61850-8-1, with reference to protocol block 180.In addition, the measurement of derivation and binary message can for example depend on application and be mapped to IEC61850-8-1GOOSE(towards the transformer substation case of general object), also with reference to protocol block 180.Sampled measurement (SMV) is mapped to IEC61850-9-2SMV by means of other protocol block 182.Power supply quality information and/or phasor measurement information can be mapped in above-mentioned agreement by means of protocol block 180,182.According to preferred embodiment, phasor measurement information can be mapped to IEC61850-90-5 and/or IEEE C37.118 by respective protocol piece (referring to the reference marker 184 in Fig. 4).
The communication of being supported by protocol block 180,182 is the theme arranging to the concrete mapping of physical interface.According to embodiment, IEC61850-8-1 protocol block 180 is mapped to dedicated ethernet port ETHl.This port ETHl also can share with IEC61850-9-2 protocol block 182 and/or together with 61850-90-5 and/or IEEE C37.118.In addition, IEC61850-9-2 protocol block 182 can be mapped to special-purpose other ethernet port ETH2, specifically, be with IEC61850-90-5 and/or IEEE C37.118 discretely or together with common port.The physics realization mode of interface ETHl and ETH2 and relevant network topology are not themes of the present invention.Implementation can be for example according to IEC61850-90-4 by wiring (CAT5 etc.) or optical fiber, single or redundancy port through a cable, or can comprise the other communication channel that can support disclosed agreement.This is equally applicable to the data rate of interface ETH1, ETH2.
According to preferred embodiment, one or more communications of the merge cells 100 of explaining above with reference to Fig. 3 relevant and protocol-dependent can be advantageously by control unit 120(Fig. 1) or its digital signal processing device realize.
Fig. 4 illustrates according to the internal structure of the novelty merge cells 100 of another embodiment from the communication viewpoint based on IEC61850.In Fig. 4 illustrated merge cells 100 corresponding to have following bells and whistles about the merge cells described in Fig. 3.Merge cells 100 shown in Fig. 4 provides logical node (LN) TCTR, TVTR, MMXU, comprises PMU(phasor measurement) MMXU, GGIO and the RDRE of data, but also can provide other LN, such as QFVR, QITR, QIUB, QVTR, QVUB, QVIR, XCBR, XSWI, CSWI and RSYN.
Merge cells 100 provides protocol block 184, and described protocol block 184 can be mapped to phasor measurement data IEC61850-90-5 and/or IEEE C37.118.Specifically by protocol block, supported, according to the communication of IEC61850-90-5 and/or IEEE C37.118, can be mapped to ethernet port ETH1 or ETH2 or also can be mapped to serial communication link SI.
Fig. 5 diagram comprises the electric power system 200 of novelty merge cells 100 and the schematic diagram of the communication plan in electric power system.Process layer, wall, substation level and control centre's layer of the dotted line diagram electric power system 200 in Fig. 5, wherein, the equipment that merge cells 100 represents on process layer.
As be connected to as shown in the solid line in Fig. 5 of merge cells 100; novelty merge cells 100 is configured to by corresponding data being mapped to IEC61850-9-2 sampled measurement SMV communication protocol by data (specifically; sampled measurement (SMV) data) be sent to each bay level IED 400, described each bay level IED 400 specifically comprises at least one protection IED400, at least one control and automation IED400 and at least one measurement IED400.In addition, merge cells 100 is configured to, by corresponding information being mapped to IEC61850-8-1, MMS mapping communication protocol and/or IEC61850-8-1 are sent to the equipment on substation level towards the transformer substation case GOOSE communication protocol of general object by power supply quality information PQ, specifically, be sent to gateway device and human interface device HMI.In addition, merge cells 100 is configured to by phasor measurement information PHM is mapped to IEC61850-90-5(synchronized phasor) communication protocol is sent to substation level phasor data concentrator ssPDC by phasor measurement information PHM.
Finally, the information that merge cells 100 provides can be provided for the equipment on control centre's layer, such as monitoring and data acquisition system SCADA or the layer phasor data concentrator PDC of control centre, and can be used to state estimation by control centre's layer state estimation unit as shown in Figure 5.
According to the merge cells 100 of embodiment far beyond in special I ED or as the power supply flavor evaluation of the function of protection relay and/or legacy system and the implementation of phasor measurement evaluation.Due to the emerging use of merge cells 100, so the present invention advantageously generates PQ and/or PHM data and/or analyze and is incorporated in merge cells 100 and traditional SMV and power supply qualitative data PQ and/or phasor measurement data PHM are sent to via same or different communication port ETH1, ETH2, SI electric substation automation system more high-rise that comprises described merge cells 100.This has advantageously guaranteed the measurement of input data ID, and determining of power supply quality information PQ and/or phasor measurement information PHM can be carried out with the highest possible accuracy and for evaluating the additional HW still less such as conventional dedicated IED of power supply quality.According to the merge cells 100 of embodiment, can advantageously use the existing communications infrastructure and in communication protocol level, standardization in the future be opened.
According to another preferred embodiment, can be for example via control unit 120(Fig. 1 according to the merge cells 100 of embodiment) or the HTTP interface that provides of special-purpose integrated web server module etc. carry out Remote configuration.
Claims (10)
1. a merge cells (100), specifically for the automation of transformation substations, comprise at least one input interface (110a, 110b), described at least one input interface (110a, 110b) for receiving, characterize at least one voltage relevant to the assembly of electric power system (200) and/or the input data (ID) of electric current, wherein, described merge cells (100) comprises timing synchronization device (156), described timing synchronization device (156) comprises according to target range instrument group IRIG-B standard, the interface to external sync network of an operation in 1PPS standard and Institute of Electrical and Electronics Engineers IEEE1588 standard, wherein, described merge cells (100) is configured to realize logical node (TCTR according to International Electrotechnical Commission's IEC61850-7 standard, TVTR), wherein, described merge cells (100) is configured to go to and/or from described logical node (TCTR, the information of at least one TVTR) is mapped to IEC61850-9-2 sampled measurement SMV communication protocol, and wherein:
Described merge cells (100) comprises and is configured to depend on that described input data (ID) determine the control unit (120) of power supply quality information (PQ),
Described merge cells (100) is configured to power supply quality information (PQ) associated with the timing information of timing synchronization device (156) supply,
Described logical node comprises at least one in QVFR, QITR, QIUB, QVTR and QVUB, and
Described merge cells (100) be configured to by go to and/or from least one the information in described logical node (TCTR, TVTR) be mapped to IEC61850-8-1 to MMS mapping communication protocol and IEC61850-8-1 towards at least one in the transformer substation case GOOSE communication protocol of general object;
Or:
Described merge cells (100) comprises and is configured to depend on that described input data (ID) determine the control unit (120) of phasor measurement information (PHM),
Described merge cells (100) is configured to phasor measurement information (PHM) associated with the timing information of timing synchronization device (156) supply,
Described logical node comprises MMXU, comprises PMU(phasor measurement) MMXU of data and at least one in GGIO, and
Described merge cells (100) is configured to go to and/or to be mapped to IEC61850-90-5 synchronized phasor communication protocol from least one the information in described logical node (TCTR, TVTR).
2. merge cells according to claim 1 (100), wherein, described merge cells (100) is configured to the described input data (SD) that receive to be transformed into predetermined output format, thereby obtain the input data after conversion, and the input data after described conversion are outputed to other equipment (400).
3. according to the merge cells (100) described in aforementioned claim, wherein, described merge cells (100) is configured to described power supply quality information (PQ) to output to other equipment (400).
4. according to the merge cells (100) described in aforementioned claim, wherein, described merge cells (100) is configured to timestamp information to distribute to the input data after described power supply quality information (PQ) and/or described input data (ID) and/or described conversion.
5. according to the merge cells (100) described in aforementioned claim, wherein, described merge cells (100) is configured to according to the communication of IEC61850-8-1, to be mapped to the first physical communication port (ETH1) of preferred special use, and will according to the communication of IEC61850-9-2, be mapped to the second physical communication port (ETH2) of preferred special use.
One kind operation merge cells (100) method, specifically for the automation of transformation substations, wherein, described merge cells (100) comprises at least one input interface (110a, 110b), described at least one input interface (110a, 110b) for receiving, characterize at least one voltage relevant to the assembly of electric power system (200) and/or the input data (ID) of electric current, wherein, described merge cells (100) comprises timing synchronization device (156), described timing synchronization device (156) comprises according to target range instrument group IRIG-B standard, the interface to external sync network of an operation in 1PPS standard and Institute of Electrical and Electronics Engineers IEEE1588 standard, wherein, described merge cells (100) is realized logical node (TCTR according to International Electrotechnical Commission's IEC61850-7 standard, TVTR), wherein, described merge cells (100) will be gone to and/or from described logical node (TCTR, the information of at least one TVTR) is mapped to IEC61850-9-2 sampled measurement SMV communication protocol, and wherein:
Described merge cells (100) depends on that described input data (ID) are used control units (120) to determine power supply quality information (PQ).
Described merge cells (100) is supplied with power supply quality information (PQ) timing information with timing synchronization device (156) is associated,
Described logical node comprises at least one in QVFR, QITR, QIUB, QVTR and QVUB, and
Described merge cells (100) by go to and/or from least one the information in logical node (TCTR, TVTR) be mapped to IEC61850-8-1 to MMS mapping communication protocol and IEC61850-8-1 towards at least one in the transformer substation case GOOSE communication protocol of general object;
Or:
Described merge cells (100) depends on that described input data (ID) are used control units (120) to determine phasor measurement information (PHM),
Described merge cells (100) is supplied with phasor measurement information (PHM) timing information with timing synchronization device (156) is associated.
Described logical node comprises MMXU, comprises PMU(phasor measurement) MMXU of data and at least one in GGIO, and
Described merge cells (100) will be gone to and/or be mapped to IEC61850-90-5 synchronized phasor communication protocol from least one the information in logical node (TCTR, TVTR).
7. method according to claim 6, wherein, described merge cells (100) is transformed into predetermined output format by the described input data (ID) that receive, thereby obtains the input data after conversion, and the input data after described conversion are outputed to other equipment (400).
8. according to the method described in claim 6 to 7, wherein, described merge cells (100) outputs to other equipment (400) by described power supply quality information (PQ).
9. according to the method described in claim 6 to 8, wherein, described merge cells (100) is distributed to the input data after described power supply quality information (PQ) and/or described input data (ID) and/or described conversion by timestamp information.
10. according to the method described in claim 6 to 9, wherein, described merge cells (100) will be mapped to the first physical communication port (ETH1) of preferred special use according to the communication of IEC61850-8-1, and will according to the communication of IEC61850-9-2, be mapped to the second physical communication port (ETH2) of preferred special use.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11159552.6 | 2011-03-24 | ||
| EP11159552.6A EP2503667B1 (en) | 2011-03-24 | 2011-03-24 | Merging Unit and Method of Operating a Merging Unit |
| EP11159554.2 | 2011-03-24 | ||
| EP11159554.2A EP2503668B1 (en) | 2011-03-24 | 2011-03-24 | Merging unit and method of operating a merging unit |
| PCT/EP2012/055316 WO2012127058A1 (en) | 2011-03-24 | 2012-03-26 | Merging unit and method of operating a merging unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103703654A true CN103703654A (en) | 2014-04-02 |
| CN103703654B CN103703654B (en) | 2016-04-06 |
Family
ID=45888220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280025041.5A Active CN103703654B (en) | 2011-03-24 | 2012-03-26 | The method of merge cells and operation merge cells |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9684020B2 (en) |
| EP (1) | EP2673865A1 (en) |
| CN (1) | CN103703654B (en) |
| RU (1) | RU2577245C2 (en) |
| WO (1) | WO2012127058A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974245A (en) * | 2016-07-08 | 2016-09-28 | 北京四方继保自动化股份有限公司 | Full redundancy merging unit apparatus |
| CN110337626A (en) * | 2016-12-21 | 2019-10-15 | Abb公司 | System and method for detecting the injection of the wrong data in substation |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140006524A (en) * | 2012-07-06 | 2014-01-16 | 현대중공업 주식회사 | Preventive diagnostic system for gis based on iec 61850 |
| US9274150B2 (en) | 2012-12-09 | 2016-03-01 | General Electric Company | Systems for synchrophasor data management |
| KR101736933B1 (en) * | 2013-06-04 | 2017-05-17 | 엘에스산전 주식회사 | Control unit for circuit breaker and controlling method thereof |
| CN103354027A (en) * | 2013-06-28 | 2013-10-16 | 许继集团有限公司 | Point-to-multipoint sampling value transmission method and system |
| EP3072017B1 (en) | 2014-01-22 | 2019-06-19 | Siemens Aktiengesellschaft | Digital measurement input for an electric automation device, electric automation device comprising a digital measurement input, and method for processing digital input measurement values |
| CN105281302B (en) * | 2014-06-12 | 2018-05-25 | 国网山西省电力公司电力科学研究院 | A kind of intelligent station electric power line longitudinal coupling protection exchanges device and its application method |
| CN104316799A (en) * | 2014-10-30 | 2015-01-28 | 国家电网公司 | Metering merging unit checking device and method |
| JP5844022B1 (en) * | 2015-03-19 | 2016-01-13 | 三菱電機株式会社 | Process bus application protection system |
| US10630541B2 (en) * | 2016-07-28 | 2020-04-21 | General Electric Technology Gmbh | Systems and methods for configuration-less process bus with architectural redundancy in digital substations |
| CN106411790B (en) * | 2016-09-29 | 2019-07-23 | 北京东土科技股份有限公司 | Data transmission method based on intelligent substation Protection control system |
| RU174411U1 (en) * | 2017-04-12 | 2017-10-12 | Общество с ограниченной ответственностью Научно-производственное объединение "Цифровые измерительные трансформаторы" | DIGITAL CURRENT AND VOLTAGE TRANSFORMER |
| RU174357U1 (en) * | 2017-04-12 | 2017-10-11 | Общество с ограниченной ответственностью Научно-производственное объединение "Цифровые измерительные трансформаторы" | DIGITAL CURRENT AND VOLTAGE TRANSFORMER |
| US11128481B2 (en) | 2018-10-08 | 2021-09-21 | Schweitzer Engineering Laboratories, Inc. | Hardware accelerated communication frame |
| US10979330B2 (en) | 2018-10-08 | 2021-04-13 | Schweitzer Engineering Laboratories, Inc. | Communication of electric power system samples without external time reference |
| RU192293U1 (en) * | 2019-05-22 | 2019-09-11 | Общество с ограниченной ответственностью "Прософт-Системы" | Relay protection and automation |
| US11079436B2 (en) | 2019-10-12 | 2021-08-03 | Schweitzer Engineering Laboratories, Inc. | Multiple merging unit testing system |
| CN111090003B (en) * | 2019-11-14 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Synchronous direct current electric energy metering system based on Beidou/GPS clock |
| RU2738887C1 (en) * | 2020-07-07 | 2020-12-18 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | Method for transmitting measurements in a process data transmission network |
| CN111859700B (en) * | 2020-07-29 | 2024-04-16 | 南方电网科学研究院有限责任公司 | Closed loop simulation system for direct current transmission engineering light measurement |
| GB202013388D0 (en) * | 2020-08-26 | 2020-10-07 | Neuville Grid Data Ltd | High-resolution condition monitoring of transformers using micro-synchrophasors |
| US11683771B2 (en) * | 2020-11-30 | 2023-06-20 | Viettel Group | Method and apparatus for data frame synchronization of 5G base station |
| US11949222B2 (en) | 2021-01-26 | 2024-04-02 | Schweitzer Engineering Laboratories, Inc. | Sample time offset alignment of electric power system samples independent of a common time source |
| US11552891B1 (en) | 2021-07-12 | 2023-01-10 | Schweitzer Engineering Laboratories, Inc. | Self-configuration of network devices without user settings |
| NL2029344B1 (en) | 2021-10-07 | 2023-04-20 | Alliander Corp Ventures B V | System and method for processing measurements, measurement unit, and method for connecting substation to remote control center |
| CA3232908A1 (en) | 2021-10-27 | 2023-05-04 | Michael John Meisinger | Improved accuracy for phasor measurement units (synchrophasors) in utility distribution applications |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030101008A1 (en) * | 1994-12-30 | 2003-05-29 | Power Measurement Ltd. | Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| CN1761124A (en) * | 2005-09-09 | 2006-04-19 | 东南大学 | Full networked digital protection platform |
| CN101431230A (en) * | 2008-12-17 | 2009-05-13 | 中国南方电网有限责任公司 | Transforming plant integrated protection system based on IEC61850 |
| CN101498757A (en) * | 2009-03-06 | 2009-08-05 | 深圳市双合电脑系统股份有限公司 | Real-time dynamic monitoring and recording equipment of power system |
| CN201569691U (en) * | 2009-09-28 | 2010-09-01 | 深圳市双合电脑系统股份有限公司 | Electric power quality monitoring and synchronous phasor monitoring device of power system |
| CN101841399A (en) * | 2009-03-16 | 2010-09-22 | 上海贝尔股份有限公司 | Method and device for implementing uplink synchronization HARQ (Hybrid Automatic Repeat Request) process in multi-base station cooperative receiving network |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995033184A1 (en) * | 1994-05-26 | 1995-12-07 | Astra Aktiebolag | Measurement system and method |
| ES2320310T3 (en) | 2000-03-10 | 2009-05-21 | Abb Schweiz Ag | METHOD AND DEVICE FOR EVALUATING THE STABILITY OF AN ELECTRICAL TRANSMISSION NETWORK. |
| JP3930394B2 (en) * | 2002-08-06 | 2007-06-13 | 株式会社東芝 | Digital protection control device |
| US7554320B2 (en) | 2005-10-28 | 2009-06-30 | Electro Industries/Gauge Tech. | Intelligent electronic device for providing broadband internet access |
| EP1830450A1 (en) | 2006-03-02 | 2007-09-05 | ABB Technology AG | Remote terminal unit and monitoring, protection and control of power systems |
| US7693607B2 (en) | 2006-09-07 | 2010-04-06 | General Electric Company | Protection and control system for electric power networks with signal and command interfaces at the primary equipment |
| CN101026633A (en) | 2007-03-01 | 2007-08-29 | 江西省电力科学研究院 | IEC 61850 and OPC based heterogeneous power quality monitoring device integrating method and gateway |
| KR20080094489A (en) | 2007-04-20 | 2008-10-23 | 현대중공업 주식회사 | Power quality monitoring device |
| AU2008356120A1 (en) | 2007-11-07 | 2009-11-12 | Edsa Micro Corporation | Systems and methods for real-time forecasting and predicting of electrical peaks and managing the energy, health, reliability, and performance of electrical power systems based on an artificial adaptive neural network |
| NZ589088A (en) | 2008-05-09 | 2013-02-22 | Accenture Global Services Ltd | Monitoring system for a power distribution grid with communication of sensed conditions |
| CN101614760A (en) | 2008-06-26 | 2009-12-30 | 西门子公司 | A kind of energy monitoring apparatus |
| EP2159893A1 (en) | 2008-08-29 | 2010-03-03 | ABB Research LTD | Substation automation with redundant protection |
| US8560255B2 (en) * | 2008-12-12 | 2013-10-15 | Schneider Electric USA, Inc. | Power metering and merging unit capabilities in a single IED |
| RU88157U1 (en) * | 2009-07-06 | 2009-10-27 | Государственное образовательное учреждение высшего профессионального образования Омский государственный университет путей сообщения | INFORMATION-MEASURING SYSTEM FOR ELECTRIC ENERGY QUALITY CONTROL |
-
2012
- 2012-03-26 CN CN201280025041.5A patent/CN103703654B/en active Active
- 2012-03-26 RU RU2013147200/07A patent/RU2577245C2/en active
- 2012-03-26 US US14/007,125 patent/US9684020B2/en active Active
- 2012-03-26 WO PCT/EP2012/055316 patent/WO2012127058A1/en active Application Filing
- 2012-03-26 EP EP12710727.4A patent/EP2673865A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030101008A1 (en) * | 1994-12-30 | 2003-05-29 | Power Measurement Ltd. | Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| CN1761124A (en) * | 2005-09-09 | 2006-04-19 | 东南大学 | Full networked digital protection platform |
| CN101431230A (en) * | 2008-12-17 | 2009-05-13 | 中国南方电网有限责任公司 | Transforming plant integrated protection system based on IEC61850 |
| CN101498757A (en) * | 2009-03-06 | 2009-08-05 | 深圳市双合电脑系统股份有限公司 | Real-time dynamic monitoring and recording equipment of power system |
| CN101841399A (en) * | 2009-03-16 | 2010-09-22 | 上海贝尔股份有限公司 | Method and device for implementing uplink synchronization HARQ (Hybrid Automatic Repeat Request) process in multi-base station cooperative receiving network |
| CN201569691U (en) * | 2009-09-28 | 2010-09-01 | 深圳市双合电脑系统股份有限公司 | Electric power quality monitoring and synchronous phasor monitoring device of power system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974245A (en) * | 2016-07-08 | 2016-09-28 | 北京四方继保自动化股份有限公司 | Full redundancy merging unit apparatus |
| CN105974245B (en) * | 2016-07-08 | 2019-04-30 | 北京四方继保自动化股份有限公司 | A kind of combining unit device of full redundancy |
| CN110337626A (en) * | 2016-12-21 | 2019-10-15 | Abb公司 | System and method for detecting the injection of the wrong data in substation |
Also Published As
| Publication number | Publication date |
|---|---|
| US9684020B2 (en) | 2017-06-20 |
| EP2673865A1 (en) | 2013-12-18 |
| RU2577245C2 (en) | 2016-03-10 |
| RU2013147200A (en) | 2015-04-27 |
| US20140074415A1 (en) | 2014-03-13 |
| CN103703654B (en) | 2016-04-06 |
| WO2012127058A1 (en) | 2012-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103703654B (en) | The method of merge cells and operation merge cells | |
| CN101789624B (en) | Centralized digital transformer substation system | |
| EP1830450A1 (en) | Remote terminal unit and monitoring, protection and control of power systems | |
| CN105467277B (en) | A kind of power distribution network mixed fault distance measuring method and device based on PMU | |
| CN107069681B (en) | A kind of multi-point circuit differential protecting method and system | |
| EP2503667B1 (en) | Merging Unit and Method of Operating a Merging Unit | |
| EP2503668B1 (en) | Merging unit and method of operating a merging unit | |
| CN103746304B (en) | The remodeling method of Intelligent transformer station | |
| CN103618385B (en) | One puies forward high-precision state estimation data correction system and method | |
| CN102983632A (en) | Synchronous sampling method for protected data of digital tractor substation | |
| CN102983627B (en) | Transition method of intellectualized monitoring system modification process of conventional transformer substation | |
| Zavoda et al. | Universal IED for distribution smart grids | |
| CN202034825U (en) | Intelligent comprehensive device of medium-voltage switch | |
| Dolezilek et al. | Integration of IEC 61850 GSE and sampled value services to reduce substation wiring | |
| Kezunovic et al. | New concept and solution for monitoring and control system for the 21 st century substation | |
| CN202886532U (en) | Fault location system based on satellite time synchronization for electric power circuit | |
| CN202651896U (en) | Coordinated control system of micro power grid | |
| Andersson et al. | Optimized architectures for process bus with IEC 61850-9-2 | |
| Jamil et al. | Digital Substations with the IEC 61850 Standard | |
| Cárdenas et al. | The next generation of smart substations: Challenges and possibilities | |
| CN205490575U (en) | Electric power time lock monitoring platform based on OTN and PTN transmission net | |
| Zhang et al. | A smart substation training platform based on primary equipment simulator | |
| Chen et al. | Impacts of digital and networked technologies used in smart substation on relay protection | |
| CN220399565U (en) | Transformer substation transient fault ranging positioning and cable line insulation early warning device | |
| Le Tien et al. | Experience With A Digital Substation Pilot Project of Vietnam Electricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |